mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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84 lines
3 KiB
C++
84 lines
3 KiB
C++
/*
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* Copyright (c) 2018 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <switch.h>
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#include <stratosphere.hpp>
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#include "fs_istorage.hpp"
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/* Represents a RomFS stored in some file. */
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class RomFileStorage : public IROStorage {
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private:
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FsFile *base_file;
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public:
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RomFileStorage(FsFile *f) : base_file(f) {
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/* ... */
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};
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RomFileStorage(FsFile f) {
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this->base_file = new FsFile(f);
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};
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~RomFileStorage() {
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fsFileClose(base_file);
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delete base_file;
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};
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public:
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Result Read(void *buffer, size_t size, u64 offset) override {
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size_t out_sz = 0;
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Result rc = fsFileRead(this->base_file, offset, buffer, size, &out_sz);
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if (R_SUCCEEDED(rc) && out_sz != size && out_sz) {
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return this->Read((void *)((uintptr_t)buffer + out_sz), size - out_sz, offset + out_sz);
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}
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return rc;
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};
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Result GetSize(u64 *out_size) override {
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return fsFileGetSize(this->base_file, out_size);
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};
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Result OperateRange(u32 operation_type, u64 offset, u64 size, FsRangeInfo *out_range_info) override {
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/* TODO: Merge into libnx? */
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return fsFileOperateRange(this->base_file, operation_type, offset, size, out_range_info);
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};
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};
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/* Represents a RomFS accessed via some IStorage. */
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class RomInterfaceStorage : public IROStorage {
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private:
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FsStorage *base_storage;
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public:
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RomInterfaceStorage(FsStorage *s) : base_storage(s) {
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/* ... */
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};
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RomInterfaceStorage(FsStorage s) {
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this->base_storage = new FsStorage(s);
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};
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~RomInterfaceStorage() {
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fsStorageClose(base_storage);
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delete base_storage;
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};
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public:
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Result Read(void *buffer, size_t size, u64 offset) override {
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return fsStorageRead(this->base_storage, offset, buffer, size);
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};
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Result GetSize(u64 *out_size) override {
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/* TODO: Merge into libnx? */
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return fsStorageGetSize(this->base_storage, out_size);
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};
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Result OperateRange(u32 operation_type, u64 offset, u64 size, FsRangeInfo *out_range_info) override {
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/* TODO: Merge into libnx? */
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return fsStorageOperateRange(this->base_storage, operation_type, offset, size, out_range_info);
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};
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};
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